#include <stdio.h>

int main() {
    int a = 1;
    long b = 2;
    printf("sizeof a: %d\n", sizeof(a));
    printf("sizeof b: %d\n", sizeof(b));
    printf("sizeof 1L: %d\n", sizeof(1L));
    printf("sizeof long long: %d\n", sizeof(long long));
}
